import { createCohere } from '@ai-sdk/cohere';
import type { LanguageModel } from 'ai';
import { BaseProvider } from '~/lib/modules/llm/base-provider';
import type { ModelInfo } from '~/lib/modules/llm/types';
import type { IProviderSetting } from '~/types/model';

export default class CohereProvider extends BaseProvider {
  name = 'Cohere';
  getApiKeyLink = 'https://dashboard.cohere.com/api-keys';

  staticModels: ModelInfo[] = [
    { name: 'command-r-plus-08-2024', label: 'Command R plus Latest', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'command-r-08-2024', label: 'Command R Latest', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'command-r-plus', label: 'Command R plus', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'command-r', label: 'Command R', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'command', label: 'Command', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'command-nightly', label: 'Command Nightly', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'command-light', label: 'Command Light', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'command-light-nightly', label: 'Command Light Nightly', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'c4ai-aya-expanse-8b', label: 'c4AI Aya Expanse 8b', provider: 'Cohere', maxTokenAllowed: 4096 },
    { name: 'c4ai-aya-expanse-32b', label: 'c4AI Aya Expanse 32b', provider: 'Cohere', maxTokenAllowed: 4096 },
  ];

  getModelInstance(options: { model: string; providerSettings?: Record<string, IProviderSetting> }): LanguageModel {
    const { model, providerSettings } = options;

    const { apiKey } = this.getProviderBaseUrlAndKey(providerSettings?.[this.name]);

    if (!apiKey) {
      throw new Error(`Missing API key for ${this.name} provider`);
    }

    const cohere = createCohere({
      apiKey,
    });

    return cohere(model);
  }
}
